To describe when one is almost crushed by the sheer amount of pussy they get. Can be used sarcastically.
-Jimmy's college experience can best be described as a "pussy avalanche"
-The world champion scrabble player must get an avalanche of pussy.
by PussyAvalanche February 17, 2016
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The sudden avalanche of birthday greetings posted on facebook etc when someone notices its your birthday....particularly funny when someone incorrectly posts Happy Birthday and everyone follows suit!
Fran: "Michael, your birthday is definitely tomorrow isnt it?"

Michael: "10 years Fran, its been 10 years. Why?"

Fran: "Your cousin's started a Birthday Avalanche on your Fb profile!"
by Fran P April 17, 2009
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when you bust a nut on a girls face (preferably on her forehead) and the load runs down her face and body the way and avalanche comes down a mountain
Zeke busted an alabama avalanche on gertrude's face after they had just banged
by Hotdog Bunning June 27, 2005
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When one accidentally pours milk too quickly into a cereal filled bowl, and ends up with milk and cereal spilling over the other side.
"Aw man, now I have to clean up this cereal avalanche!"
by Molly Ivins May 1, 2010
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When a girl has to sneeze after you've unloaded in her mouth while holding her hand in front, resulting in the jizz coming out through her nose.

Originated as a variation on snowballing.
Jay: Yo, Frizzle's girl had a nose avalanche yesterday, she was all allergic and had to sneeze.

Lawrence: Rly? Trippin' balls.
by The_Jay March 4, 2010
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When one cums on a falafel and someone eats it.
Howard is known for giving a mean Turkish Avalanche!
by Nenners January 25, 2009
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When there is so much work piled on your or your desk, movement from out from under it is nearly impossible.
Hey--pour me a drink! I worked up quite a thirst digging out from my work avalanche to get to happy hour.
by mollygoodhead December 25, 2009
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